Paint brush



FIG. 1 is a perspective view of the paint brush.

FIG. 2 is a front elevational view thereof, the rear elevational view being a mirror image of the front elevational view.

FIG. 3 is a right side elevational view thereof, the left side view being a mirror image of the right side view.

FIG. 4 is a top plan view of the paint brush; and,

FIG. 5 is a bottom plan view thereof.

The bristles are partially shown in the views for ease of illustration and are understood to continue throughout the areas indicated. 

The ornamental design for a paint brush, as shown and described. 